//书架类
public class BookList {
    private Book[] books;
    private int usedSize;//记录当前书架放了几本书

    public BookList() {
        this.books = new Book[10];
        this.books[0] = new Book("三国演义","罗贯中",10,"小说");
        this.books[1] = new Book("西游记","吴承恩",20,"小说");
        this.books[2] = new Book("红楼梦","曹雪芹",15,"小说");
    }
}
